*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
}
.slider-container{
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: radial-gradient(rgb(248, 248, 245), rgb(28, 100, 158));
}

.slider-wrapper{
  width: 640px;
  height: 360px;
  position: relative;
}

.slider-wrapper .btn{
  border-radius: 50%;;
  width: 60px;
  height: 60px;
  background: white;
  position: absolute;
  text-align: center;
  line-height: 60px;
  font-size: 20px;
  top: 150px;
  cursor: pointer;
}

.left{
  left: 0;
}
.right{
  right: 0
}

